Nathaniel Philbrick, author of In the Heart of the Sea, talks about his interest in the whaleship Essex and the history of whaling on Nantucket. Hear more about Philbrick's historical interests and other works he has written.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
The story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.
Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.
High on a granite cliff in South Dakota's Black Hills tower the huge carved faces of four American presidents: George Washington, Thomas Jefferson, Abraham Lincoln, and Theodore Roosevelt.